202120100110200 has 96 divisors (see below), whose sum is σ = 659549800396800. Its totient is φ = 51061920024960.

The previous prime is 202120100110157. The next prime is 202120100110207. The reversal of 202120100110200 is 2011001021202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120100110207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8864905272 + ... + 8864928071.

It is an arithmetic number, because the mean of its divisors is an integer number (6870310420800).

Almost surely, 2^{202120100110200} is an apocalyptic number.

202120100110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120100110200 is an abundant number, since it is smaller than the sum of its proper divisors (457429700286600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202120100110200 is a wasteful number, since it uses less digits than its factorization.

202120100110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17729833381 (or 17729833372 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202120100110200 its reverse (2011001021202), we get a palindrome (204131101131402).

The spelling of 202120100110200 in words is "two hundred two trillion, one hundred twenty billion, one hundred million, one hundred ten thousand, two hundred".